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• Raising the bar in orthopedic and spinal instrumentation.
• Accuracy and repeatability under the most demanding surgical conditions.
• Unique drive mechanism eliminates reverse torque action upon reaching peak.
• Individually serialized upon customer request; for ease of traceability and recalibration cycles.
• ALL our Total-Control™ torque-limiting wrenches are guaranteed to be within +/- 5% of the customer specified torque setting.
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| Proven Results | Nominal Torque Values | ||||||||||||
| Testing confirms that our torque limiting drivers maintain their accuracy and repeatability. The graph to the right details test results for a T-Handle driver set to a nominal torque of 90 lb-in., then subjected to an extreme 3,000 clicks without rest periods, cleaning, or sterilization. Throughout the test, nominal torque remained within a tolerance of +/- 5% of the original pre-set torque, with an average nominal torque value of 91.577. The chart below details recent testing which reconfirms nominal torque value tolerance of +/- 5% with an average nominal torque value of 91.100. |  |
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T-Handle Summary (TD-801001-90)
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Handle #
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Peak Count
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Test Rate
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Data Acq Rate
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Peak Torque (1st Peak)
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Peak Torque (250th Peak)
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Peak Torque (500th Peak)
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Peak Torque (750th Peak)
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Peak Torque (1000th Peak)
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Peak Torque (1250th Peak)
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Peak Torque (1500th Peak)
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Peak Torque (2000th Peak)
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Peak Torque (2500th Peak)
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Peak Torque (3000th Peak)
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(rpm)
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(in·lb)
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(in·lb)
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(in·lb)
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(in·lb)
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(in·lb)
|
(in·lb)
|
(in·lb)
|
(in·lb)
|
(in·lb)
|
(in·lb)
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|
2
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3000
|
4
|
10hz
|
89.6
|
91.5
|
92.1
|
92.9
|
92.4
|
92.4
|
92.0
|
92.2
|
89.7
|
87.9
|
|
3
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3000
|
4
|
10hz
|
88.9
|
90.7
|
92.1
|
93.4
|
92.2
|
92.8
|
89.1
|
88.3
|
88.6
|
86.9
|
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4
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3000
|
4
|
10hz
|
88.5
|
94.8
|
93.2
|
91.5
|
93.7
|
90.8
|
91.0
|
89.7
|
90.9
|
91.3
|
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5
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3000
|
4
|
10hz
|
90.6
|
92.2
|
93.2
|
91.7
|
92.6
|
91.3
|
89.6
|
89.0
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87.9
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87.3
|
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6
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3000
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4
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10hz
|
89.7
|
92.7
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92.0
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91.8
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91.7
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93.5
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91.8
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92.1
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90.6
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90.6
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| All results were compiled by an unbiased outside testing source contracted by a large spinal OEM. | |||||||||||||
Detailed Specifications Available
Click here to review a pdf document with detailed specifications for various torque limiting driver configurations.
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Now Available! Silicone Overmolded Adapter Collars** |
| * Patent Numbers: US 7,243,581 B1; US 7,343,824 B1; US 7,334,509 B1; US D580,730 S, US 7,389,700 B2 Additional Patents Pending ** Patent Pending Click here to review the detailed listing of Bradshaw Medical, Inc. patents and trademarks. Torque Devices Design Performance Objectives Guidelines for Instrument Care * |
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